Definition Of A Catalyst
Which of the following best defines a catalyst?
A
A substance that alters the products of a chemical reaction and is consumed in the reaction.
B
A substance that alters the rate of a chemical reaction without being consumed in the reaction.
C
A substance that alters the products of a chemical reaction without being consumed in the reaction.
D
A substance that alters the reactants of a chemical reaction without being consumed in the reaction.